Home / 1,272,127.55-1,755,515.63-699,155.42

Finding the Fourth Proportional to 1,272,127.55, 1,755,515.63 and 699,155.42

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Solution

The fourth proportional to 1,272,127.55, 1,755,515.63 and 699,155.42 is: 964,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,127.55 : 1,755,515.63 = 699,155.42 : x
  2. Step 2: Convert to fraction form
    1,272,127.55/1,755,515.63 = 699,155.42/x
  3. Step 3: Cross multiply
    1,272,127.55x = 1,755,515.63 × 699,155.42
  4. Step 4: Simplify right side
    1,272,127.55x = 1,227,378,255,335.86
  5. Step 5: Solve for x
    x = 1,227,378,255,335.86/1,272,127.55
  6. Step 6: Final answer
    x = 964,823.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.